145325045 has 4 divisors (see below), whose sum is σ = 174390060. Its totient is φ = 116260032.

The previous prime is 145325041. The next prime is 145325057. The reversal of 145325045 is 540523541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26122321 + 119202724 = 5111^2 + 10918^2 .

It is a cyclic number.

It is not a de Polignac number, because 145325045 - 2² = 145325041 is a prime.

It is a super-2 number, since 2×145325045² = 42238737408504050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145324999 and 145325017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145325041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14532500 + ... + 14532509.

It is an arithmetic number, because the mean of its divisors is an integer number (43597515).

Almost surely, 2^145325045 is an apocalyptic number.

It is an amenable number.

145325045 is a deficient number, since it is larger than the sum of its proper divisors (29065015).

145325045 is an equidigital number, since it uses as much as digits as its factorization.

145325045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29065014.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145325045 is about 12055.0837823717. The cubic root of 145325045 is about 525.7510580649.

Adding to 145325045 its reverse (540523541), we get a palindrome (685848586).

The spelling of 145325045 in words is "one hundred forty-five million, three hundred twenty-five thousand, forty-five".